-4=5x-3(3x-7)

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Solution for -4=5x-3(3x-7) equation:


Simplifying
-4 = 5x + -3(3x + -7)

Reorder the terms:
-4 = 5x + -3(-7 + 3x)
-4 = 5x + (-7 * -3 + 3x * -3)
-4 = 5x + (21 + -9x)

Reorder the terms:
-4 = 21 + 5x + -9x

Combine like terms: 5x + -9x = -4x
-4 = 21 + -4x

Solving
-4 = 21 + -4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4x' to each side of the equation.
-4 + 4x = 21 + -4x + 4x

Combine like terms: -4x + 4x = 0
-4 + 4x = 21 + 0
-4 + 4x = 21

Add '4' to each side of the equation.
-4 + 4 + 4x = 21 + 4

Combine like terms: -4 + 4 = 0
0 + 4x = 21 + 4
4x = 21 + 4

Combine like terms: 21 + 4 = 25
4x = 25

Divide each side by '4'.
x = 6.25

Simplifying
x = 6.25

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